(photography) Describing a process in which a black-and-white image is replaced by a coloured one. / (biology) Containing or producing chromogen.

(chemistry) Any substance that lacks colour, but can be converted into a pigment or dye. / (biology) A strongly pigmented organelle or organism.

plural of chromogen

In a chromogenic manner

Treated with a chromogen

Alternative form of chromogenic

The quality of being chromogenic.

(biochemistry) The biosynthesis of pigments

Of or relating to chromogenesis.